ADXL3xx Accelerometer using an Arduino
This tutorial shows you how to read an Analog Devices ADXL3xx series (e.g. ADXL320, ADXL321, ADXL322, ADXL330) accelerometer and communicate the acceleration to the a personal computer.
The ADXL3xx outputs the acceleration on each axis as an analog voltage between 0 and 5 volts. To read this, all you need is the
The accelerometer uses very little amperage, so it can be plugged into your Arduino and run directly off of the output from the Arduino’s digital output pins. To do this, you’ll use three of the analog input pins as digital I/O pins, for power and ground to the accelerometer, and for the self-test pin. You’ll use the other three analog inputs to read the acclerometer’s analog outputs.
Reads an Analog Devices ADXL3xx accelerometer and communicates the
acceleration to the computer. The pins used are designed to be easily
compatible with the breakout boards from Sparkfun, available from:
analog 0: accelerometer self test
analog 1: z-axis
analog 2: y-axis
analog 3: x-axis
analog 4: ground
analog 5: vcc
created 2 Jul 2008
by David A. Mellis
modified 30 Aug 2011
by Tom Igoe
This example code is in the public domain.
For more detail: ADXL3xx Accelerometer using an Arduino
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